Prove that the velocity of charged particles moving along a straight path through perpendicular electric and magnetic fields is v = E / B . Thus crossed electric and magnetic fields can be used as a velocity selector independent of the charge and mass of the particle involved.

Q: As shown in Figure, a beam of particles of charge q enters a region where an field is uniform and…

A: i) 2 x 10^5 m/s ii) 4.39 x 10^7 C/kg

Q: In Figure P19.3, assume in each case the velocity vector shownis replaced with a wire carrying a…

A: Use the right hand-thumb rule to find the direction of the magnetic field.Right hand rule: Consider…

Q: A conductor moves with a velocity of15 m/s at an angle of (a) 90◦, (b) 60◦ and (c) 30◦ toa magnetic…

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Q: As a parallel-plate capacitor with circular plates 20 cm in diameter is being charged, the current…

A: CONCEPT:

Q: A proton is fired with a speed of 1.1 ×106m/s through the parallel-plate capacitor shown in the…

A: Write the expression for strength of magnetic field .

Q: A proton moving at speed v = 1.00 x 106 m/s enters a region in space where a magnetic fi eld given…

A:

Q: An electron with kinetic energy 2.5 keV moving along the positive direction of an x axis enters a…

A: The magnetic force should equal the electric force so that the electron moving along the x-axis.…

Q: A certain commercial mass spectrometer is used to separate uranium ions of mass 3.92 x 1025 kg and…

A: Given  Mass of uranium ion = 3.92 x 10-25 kg charge on the uranium  = 3.2 x 10 -19 Potential…

Q: In a region of free space, the electric field at an instant of time is E = [(90.0)î + (36.0)ĵ +…

A:

Q: What is the Approximate relative strength of electromagnetic force?

A: The approximate relative strength of electromagnetic fore of the photon particle is 1/137. The…

Q: As shown in Figure, a beam of particles of charge q enters a region where an electric field is…

A: Solution

Q: An electron is given a velocity of 1.2x104m/s through a magnetic field. As the electron is observed,…

A:

Q: In the Hall Effect, the magnetic field is in z direction and the velocity is in x direction. ?What…

A: Required : Direction of the electric field.

Q: In a region of free space, where a uniform and constant electric field of intensity Ē and a magnetic…

A: Introduction: A charge will not deviate from its path while moving through a uniform electric field…

Q: In the velocity selector, if the magnetic field has a magnitude of 2 x 10-3 T, what should be the…

A: Given that:B=2×10-3  Tv=107 m/s

Q: A certain commercial mass spectrometer is used to separate uranium ions of mass 3.92 × 10-25 kg and…

A:

Q: In the figure, an electron accelerated from rest through potential difference V1=1.49 kV enters the…

A:

Q: A loop of area 1.27 m2 is in a uniform 2.11 T magnetic field. If the flux through the loop is 0.878…

A: Given data The area of the loop is A=1.27 m2 The magnetic field is B=2.11 T The magnetic flux is…

Q: Consider an array of 5 straight pipes of infinite length, perpendicular to the page at distance α…

A:

Q: A parallel-plate capacitor with circular plates is being charged. Consider a circular loop centered…

A: The expression for magnetic field,

Q: Assume the helium–neon lasers commonly used in student physics laboratories have power outputs of…

A:

Q: room has its walls aligned accurately with respect to north, south, east, and west. The north wall…

A:

Q: A particle with a charge of +10.0 μC is moving at 300. m/s in the positive z-direction. a. Find the…

A:

Q: an electron accelerated from rest through potential difference V1 1.00 kV enters the gap between two…

A: The equation for the kinetic energy of the electron is given by,

Q: In a velocity selector, the electric and magnetic fields must be perpendicular. True O False

A: In velocity selector, electric and magnetic field must be perpendicular.

Q: If the distance between the plates of a capacitor of radius R and consisting of two opposing…

A: Given: Radius of plates = R Distance between plates, d = 5 mm Potential difference between the…

Q: A quadratic frame (m = 0.6 kg, Heat Capacity C = 260 J/K, electrical resistivity p= 0.1 mm²/m),…

A: Given data: The length of arm L =a=1m The velocity of coil v=20 m/s  The MAGNETIC FIELD B =2 Vs/m2…

Q: An electron with kinetic energy 2.8 keV moving along the positive direction of an x axis enters a…

A: Given:Electron kinetic energy, K=2.8 keVMagnitude of electric field, E=8.5 kV/m

Q: A magnetic field is perpendicular to a 4cm x 6cm rectangular coil of wire consisting of 100 turns.…

A: Given, Number of turns=100turns Electromagnetic force=2.5V Magnetic flux=? Time=0.050s Area=24cm²…

Q: Suppose the parallel-plate capacitor shown below is accumulating charge at a rate of 0.010 C/s. What…

A: Parallel plate capacitor:  A parallel plate capacitor is a form of capacitor which is constructed…

Q: As a parallel-plate capacitor with circular plates 20 cm in diameter is being charged, the current…

A:

Q: A 5.0 mC particle moves through a region containing the uniform magnetic field -20iˆ mTand the…

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Q: The potential difference V(t) between parallel plates shown above is instantaneously increasing at a…

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Q: y In one portion of a synchrotron, electronstraveling at 2.99 * 108 m>s enter a region of uniform…

A: (a) When an electron enters in the uniform magnetic field with velocity v it experiences a Lorentz…

Q: Is the following True or False for the Gauss's Law for magnetic field? Since there are no magnetic…

A: Let the magnetic field = B Let the area of a closed loop = A

Q: In the Magnetic Field experiment, let the magnetic fields of Earth and the coil be HĘ and Hc,…

A:

Q: Two very long straight wires, the distance between them (30 mm), a current of intensity (1.2 amp)…

A: Given : d = 30 mm = 30 x 10-3 m I1 = 1.2 amp I2 = 5 amp L = 4 m

Q: Assume the particle is a singly charged ion with mass  m = 2.06 ✕ 10−26 kg.  The magnitude of the…

A: Given that -- m = 2.06 * 10-26 kg E = 980 V/m B = .910 T Question ? r = ?

Q: A beam of electrons with velocity vx = 5 x105 m/s is introduced into a uniform magnetic field Bz =…

A:

Q: A 0.210-A current is charging a capacitor that has circular plates 15.5 cm in radius. The plate…

A: Solution:-

Q: Prove that the displacement current in a parallel-plate capacitor of capacitance C can be written as…

A:

Q: A conductor lies in a magnetic field. The current flowing through the conductor is I = (5,9,4). The…

A:

Q: A 0.160–A current is charging a capacitor that has circular plates 11.4 cm in radius. The plate…

A: Given data The current flowing through the capacitor is I = 0.16 A. The radius of the plates is r =…

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.